#include<iostream>
using namespace std;
class CMyclass{
	public:
		int n;
		CMyclass(){};
		CMyclass(CMyclass & c){n = 2 * c.n;}
};
int main(){
	CMyclass c1,c2;
	c1.n = 5; c2 = c1; CMyclass c3(c1);
	cout<<"c2.n = "<<c2.n<<",";
	cout<<"c3.n = "<<c3.n<<endl;
	return 0;
}